Rollator



FIG. 1 is a perspective view of the rollator showing my new design;

FIG. 2 is a front elevation view of the rollator;

FIG. 3 is a back elevation view of the rollator;

FIG. 4 is a left side elevation view of the rollator;

FIG. 5 is a right side elevation view of the rollator;

FIG. 6 is a top plan view of the rollator; and,

FIG. 7 is a bottom plan view of the rollator.

The broken lines shown in the drawings illustrate portions of therollator that form no part of the claimed design.

CLAIM The ornamental design for a rollator, as shown and described.